Home / 31,165.38-46,765.08-18,043.38

Finding the Fourth Proportional to 31,165.38, 46,765.08 and 18,043.38

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Solution

The fourth proportional to 31,165.38, 46,765.08 and 18,043.38 is: 27,074.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,165.38 : 46,765.08 = 18,043.38 : x
  2. Step 2: Convert to fraction form
    31,165.38/46,765.08 = 18,043.38/x
  3. Step 3: Cross multiply
    31,165.38x = 46,765.08 × 18,043.38
  4. Step 4: Simplify right side
    31,165.38x = 843,800,109.17
  5. Step 5: Solve for x
    x = 843,800,109.17/31,165.38
  6. Step 6: Final answer
    x = 27,074.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.